Finding the Fourth Proportional to 407,783.12, 611,875.14 and 183,302.14
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Solution
The fourth proportional to 407,783.12, 611,875.14 and 183,302.14 is: 275,043.32
Step by Step Solution
- Step 1: Write the proportion equation
407,783.12 : 611,875.14 = 183,302.14 : x - Step 2: Convert to fraction form
407,783.12/611,875.14 = 183,302.14/x - Step 3: Cross multiply
407,783.12x = 611,875.14 × 183,302.14 - Step 4: Simplify right side
407,783.12x = 112,158,022,574.80 - Step 5: Solve for x
x = 112,158,022,574.80/407,783.12 - Step 6: Final answer
x = 275,043.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.